Yasukochi, Yoshiki
Sakuma, Jun
Takeuchi, Ichiro
Kato, Kimihiko
Oguri, Mitsutoshi
Fujimaki, Tetsuo
Horibe, Hideki
Yamada, Yoshiji
Article History
Received: 21 April 2017
Revised: 1 June 2017
Accepted: 12 June 2017
First Online: 8 December 2017
Competing interests
: The authors declare no conflict of interest.